Lutron PSA-311 is a compact designed salt meter.
Measurement : 0 to 12.0 % salt ( % weight value )
Automatic temperature compensation.
Meter build test probe, all in 1, easy operation.
Hold, Record ( max., min. ).
IP-67 Water resistance, heavy duty.
DC 1.5V battery ( UM-4, AAA ) x 4.
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